OPST 12ft Dual Density Sink Tips for Two-Handed Spey and Switch Rods powerful The Echo Boost Fresh represents

The Echo Boost Fresh represents premium performance at sensible prices

Action: medium fast — smooth

exposed reservoirs across the UK

reservoir anglers targeting large fish

powerful delivery

OPST 12ft Dual Density Sink Tips for Two-Handed Spey and Switch Rods powerful The Echo Boost Fresh representsOPST 12ft (3. 7m) Dual Density Sink Tips are precision engineered sink tips for switch and Spey rods, designed to deliver superior fly presentation across European salmon and sea trout rivers. Available in three T weights (T8, T11, T14) and nine sink rate combinations, they cover every water condition from shallow summer riffles to deep autumn pools. What Are Dual Density Sink Tips? Dual density tips feature two different sink rates in a single 12ft